Montre maintenant: Uruguay - Timbres-Poste (1856 - 2025) - 14 Timbres-poste.
WM: Aucun Gravure: Imprenta Nacional, Montevideo. Perforation: 12½
![[Rio Negro Dam, type IQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ-s.jpg)
![[Rio Negro Dam, type IQ1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ1-s.jpg)
![[Rio Negro Dam, type IQ2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ2-s.jpg)
![[Rio Negro Dam, type IQ3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IQ3-s.jpg)
WM: Aucun Gravure: Imprenta Nacional, Montevideo. Perforation: 12½
![[Airmail - Rio Negro Dam, type IR]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR-s.jpg)
![[Airmail - Rio Negro Dam, type IR1]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR1-s.jpg)
![[Airmail - Rio Negro Dam, type IR2]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR2-s.jpg)
![[Airmail - Rio Negro Dam, type IR3]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR3-s.jpg)
![[Airmail - Rio Negro Dam, type IR4]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR4-s.jpg)
![[Airmail - Rio Negro Dam, type IR5]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR5-s.jpg)
![[Airmail - Rio Negro Dam, type IR6]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR6-s.jpg)
![[Airmail - Rio Negro Dam, type IR7]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR7-s.jpg)
![[Airmail - Rio Negro Dam, type IR8]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR8-s.jpg)
![[Airmail - Rio Negro Dam, type IR9]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/IR9-s.jpg)
| No. | Genre | D | Couleur | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 573 | IR | 8C | vert clair | (200.600) | 0,57 | - | 0,57 | - | USD |
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| 574 | IR1 | 20C | vert | (50.000) | 0,57 | 5,70 | 3,42 | - | USD |
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| 575 | IR2 | 20C | vert | (10.000) | 1,71 | - | 1,14 | - | USD |
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| 576 | IR3 | 62C | bleu verdâtre | (300.000) | 9,12 | - | 6,84 | - | USD |
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| 577 | IR4 | 68C | jaune | (50.000) | 0,86 | - | 0,29 | - | USD |
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| 578 | IR5 | 68C | brun-violet | (50.000) | 1,71 | - | 1,14 | - | USD |
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| 579 | IR6 | 75C | violet | (5.000) | 6,84 | - | 6,84 | - | USD |
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| 580 | IR7 | 1P | carmin | (50.000) | 2,28 | - | 1,71 | - | USD |
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| 581 | IR8 | 1.38P | rose | (20.000) | 22,81 | - | 17,11 | - | USD |
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| 582 | IR9 | 3P | bleu foncé | (20.000) | 17,11 | - | 11,41 | - | USD |
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| 573‑582 | 63,58 | 5,70 | 50,47 | - | USD |
